📄 lcdlib.c
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/*
*********************************************************
* Copyright (c)
* All rights reserved.
*
* 文件名称：lcdlib.c
* 文件标识：
* 摘 要：本文件是对LCD配置的底层代码。
* 当前版本：1.0
* 作 者：刘征
* 完成日期：2005.4.3
*
* 取代版本：
* 作 者：
* 完成日期：
*********************************************************
*/
/*
*********************************************************
* 头文件
*********************************************************
*/
#include <string.h>
#include "2410addr.h"
#include "2410lib.h"
#include "2410slib.h"
#include "def.h"
#include "lcdlib.h"
/*
*********************************************************
* 变量
*********************************************************
*/
//Mono STN
U32 (*frameBuffer1Bit)[SCR_XSIZE_STN/32];
//Gray
U32 (*frameBuffer2Bit)[SCR_XSIZE_STN/16];
U32 (*frameBuffer4Bit)[SCR_XSIZE_STN/8];
//Color STN
U32 (*frameBuffer8Bit)[SCR_XSIZE_CSTN/4];
U32 (*frameBuffer12Bit)[SCR_XSIZE_CSTN*3/8];
//TFT 240320
U32 (*frameBuffer8BitTft240320)[SCR_XSIZE_TFT_240320/4];
U32 (*frameBuffer16BitTft240320)[SCR_XSIZE_TFT_240320/2];
//TFT 640480
U32 (*frameBuffer1BitTft640480)[SCR_XSIZE_TFT_640480/32];
U32 (*frameBuffer8BitTft640480)[SCR_XSIZE_TFT_640480/4];
U32 (*frameBuffer16BitTft640480)[SCR_XSIZE_TFT_640480/2];
U32 (*frameBuffer24BitTft640480)[SCR_XSIZE_TFT_640480];
//TFT 800600
U32 (*frameBuffer1BitTft800600)[SCR_XSIZE_TFT_800600/32];
U32 (*frameBuffer8BitTft800600)[SCR_XSIZE_TFT_800600/4];
U32 (*frameBuffer16BitTft800600)[SCR_XSIZE_TFT_800600/2];
/*
*********************************************************
* 函数介绍：本函数是LCD初始化函数。
* 输入参数：type--类型（根据你所使用的LCD型号不同，确定类型。它可以是MODE_STN_1BIT.....MODE_TFT_16BIT_800600）
* 输出参数：无
* 返回值 ：无
*********************************************************
*/
void Lcd_Init(int type)
{
switch(type)
{
case MODE_STN_1BIT:
frameBuffer1Bit=(U32 (*)[SCR_XSIZE_STN/32])LCDFRAMEBUFFER;
rLCDCON1=(CLKVAL_STN_MONO<<8)|(MVAL_USED<<7)|(1<<5)|(0<<1)|0;
// 4-bit single scan,1bpp STN,ENVID=off
rLCDCON2=(0<<24)|(LINEVAL_STN<<14)|(0<<6)|(0<<0); // It is not TFT LCD. So,.....
rLCDCON3=(WDLY_STN<<19)|(HOZVAL_STN<<8)|(LINEBLANK_MONO<<0);
rLCDCON4=(MVAL<<8)|(WLH_STN<<0);
rLCDCON5=0;
//BPP24BL:x,FRM565:x,INVVCLK:x,INVVLINE:x,INVVFRAME:x,INVVD:x,
//INVVDEN:x,INVPWREN:x,INVLEND:x,PWREN:x,ENLEND:x,BSWP:x,HWSWP:x
rLCDSADDR1=(((U32)frameBuffer1Bit>>22)<<21)|M5D((U32)frameBuffer1Bit>>1);
rLCDSADDR2=M5D( ((U32)frameBuffer1Bit+(SCR_XSIZE_STN*LCD_YSIZE_STN/8))>>1 );
rLCDSADDR3=(((SCR_XSIZE_STN-LCD_XSIZE_STN)/16)<<11)|(LCD_XSIZE_STN/16);
break;
case MODE_STN_2BIT:
frameBuffer2Bit=(U32 (*)[SCR_XSIZE_STN/16])LCDFRAMEBUFFER;
rLCDCON1=(CLKVAL_STN_GRAY<<8)|(MVAL_USED<<7)|(1<<5)|(1<<1)|0;
// 4-bit single scan,2bpp STN,ENVID=off
rLCDCON2=(0<<24)|(LINEVAL_STN<<14)|(0<<6)|(0<<0);
rLCDCON3=(WDLY_STN<<19)|(HOZVAL_STN<<8)|(LINEBLANK_GRAY<<0);
rLCDCON4=(MVAL<<8)|(WLH_STN<<0);
rLCDCON5=0;
//BPP24BL:x,FRM565:x,INVVCLK:x,INVVLINE:x,INVVFRAME:x,INVVD:x,
//INVVDEN:x,INVPWREN:x,INVLEND:x,PWREN:x,ENLEND:x,BSWP:x,HWSWP:x
rLCDSADDR1=(((U32)frameBuffer2Bit>>22)<<21)|M5D((U32)frameBuffer2Bit>>1);
rLCDSADDR2=M5D( ((U32)frameBuffer2Bit+(SCR_XSIZE_STN*LCD_YSIZE_STN/4))>>1);
rLCDSADDR3=(((SCR_XSIZE_STN-LCD_XSIZE_STN)/8)<<11)|(LCD_XSIZE_STN/8);
rDITHMODE=0x0;
rBLUELUT =0xf950; // 4-Gray only
break;
case MODE_STN_4BIT:
frameBuffer4Bit=(U32 (*)[SCR_XSIZE_STN/8])LCDFRAMEBUFFER;
rLCDCON1=(CLKVAL_STN_GRAY<<8)|(MVAL_USED<<7)|(1<<5)|(2<<1)|0;
// 4-bit single scan,4bpp STN,ENVID=off
rLCDCON2=(0<<24)|(LINEVAL_STN<<14)|(0<<6)|(0<<0);
rLCDCON3=(WDLY_STN<<19)|(HOZVAL_STN<<8)|(LINEBLANK_GRAY<<0);
rLCDCON4=(MVAL<<8)|(WLH_STN<<0);
rLCDCON5=0;
//BPP24BL:x,FRM565:x,INVVCLK:x,INVVLINE:x,INVVFRAME:x,INVVD:x,
//INVVDEN:x,INVPWREN:x,INVLEND:x,PWREN:x,ENLEND:x,BSWP:x,HWSWP:x
rLCDSADDR1=(((U32)frameBuffer4Bit>>22)<<21)|M5D((U32)frameBuffer4Bit>>1);
rLCDSADDR2=M5D( ((U32)frameBuffer4Bit+(SCR_XSIZE_STN*LCD_YSIZE_STN/2))>>1 );
rLCDSADDR3=(((SCR_XSIZE_STN-LCD_XSIZE_STN)/4)<<11)|(LCD_XSIZE_STN/4);
rDITHMODE=0x0;
break;
case MODE_CSTN_8BIT:
frameBuffer8Bit=(U32 (*)[SCR_XSIZE_CSTN/4])LCDFRAMEBUFFER;
rLCDCON1=(CLKVAL_CSTN<<8)|(MVAL_USED<<7)|(2<<5)|(3<<1)|0;
// 8-bit single scan,8bpp CSTN,ENVID=off
rLCDCON2=(0<<24)|(LINEVAL_CSTN<<14)|(0<<6)|(0<<0);
rLCDCON3=(WDLY_CSTN<<19)|(HOZVAL_CSTN<<8)|(LINEBLANK_CSTN<<0);
rLCDCON4=(MVAL<<8)|(WLH_CSTN<<0);
rLCDCON5=0;
//BPP24BL:x,FRM565:x,INVVCLK:x,INVVLINE:x,INVVFRAME:x,INVVD:x,
//INVVDEN:x,INVPWREN:x,INVLEND:x,PWREN:x,ENLEND:x,BSWP:x,HWSWP:x
rLCDSADDR1=(((U32)frameBuffer8Bit>>22)<<21 )|M5D((U32)frameBuffer8Bit>>1);
rLCDSADDR2=M5D( ((U32)frameBuffer8Bit+(SCR_XSIZE_CSTN*LCD_YSIZE_CSTN/1))>>1 );
rLCDSADDR3=(((SCR_XSIZE_CSTN-LCD_XSIZE_CSTN)/2)<<11)|(LCD_XSIZE_CSTN/2);
rDITHMODE=0x0;
rREDLUT =0xfdb96420;
rGREENLUT=0xfdb96420;
rBLUELUT =0xfb40;
break;
case MODE_CSTN_12BIT:
frameBuffer12Bit=(U32 (*)[SCR_XSIZE_CSTN*3/8])LCDFRAMEBUFFER;
// Packed Type : The L.C.M of 12 and 32 is 96.
rLCDCON1=(CLKVAL_CSTN<<8)|(MVAL_USED<<7)|(2<<5)|(4<<1)|0;
// 8-bit single scan,12bpp CSTN,ENVID=off
rLCDCON2=(0<<24)|(LINEVAL_CSTN<<14)|(0<<6)|0;
rLCDCON3=(WDLY_CSTN<<19)|(HOZVAL_CSTN<<8)|(LINEBLANK_CSTN<<0);
rLCDCON4=(MVAL<<8)|(WLH_CSTN<<0);
rLCDCON5=0;
//BPP24BL:x,FRM565:x,INVVCLK:x,INVVLINE:x,INVVFRAME:x,INVVD:x,
//INVVDEN:x,INVPWREN:x,INVLEND:x,PWREN:x,ENLEND:x,BSWP:x,HWSWP:x
rLCDSADDR1=(((U32)frameBuffer12Bit>>22)<<21)|M5D((U32)frameBuffer12Bit>>1);
rLCDSADDR2=M5D(((U32)frameBuffer12Bit+((SCR_XSIZE_CSTN*3/2)*LCD_YSIZE_CSTN))>>1);
rLCDSADDR3=(((SCR_XSIZE_CSTN-LCD_XSIZE_CSTN)*3/4)<<11)|(LCD_XSIZE_CSTN*3/4);
rDITHMODE=0;
break;
case MODE_TFT_8BIT_240320:
frameBuffer8BitTft240320=(U32 (*)[SCR_XSIZE_TFT_240320/4])LCDFRAMEBUFFER;
rLCDCON1=(CLKVAL_TFT_240320<<8)|(MVAL_USED<<7)|(3<<5)|(11<<1)|0;
// TFT LCD panel,8bpp TFT,ENVID=off
rLCDCON2=(VBPD_240320<<24)|(LINEVAL_TFT_240320<<14)|(VFPD_240320<<6)|(VSPW_240320);
rLCDCON3=(HBPD_240320<<19)|(HOZVAL_TFT_240320<<8)|(HFPD_240320);
rLCDCON4=(MVAL<<8)|(HSPW_240320);
rLCDCON5=(1<<11)|(1<<9)|(1<<8); //FRM5:6:5,HSYNC and VSYNC are inverted
rLCDSADDR1=(((U32)frameBuffer8BitTft240320>>22)<<21)|M5D((U32)frameBuffer8BitTft240320>>1);
rLCDSADDR2=M5D( ((U32)frameBuffer8BitTft240320+(SCR_XSIZE_TFT_240320*LCD_YSIZE_TFT_240320/1))>>1 );
rLCDSADDR3=(((SCR_XSIZE_TFT_240320-LCD_XSIZE_TFT_240320)/2)<<11)|(LCD_XSIZE_TFT_240320/2);
rLCDINTMSK|=(3); // MASK LCD Sub Interrupt
rLPCSEL&=(~7); // Disable LPC3600
rTPAL=0; // Disable Temp Palette
break;
case MODE_TFT_16BIT_240320:
frameBuffer16BitTft240320=(U32 (*)[SCR_XSIZE_TFT_240320/2])LCDFRAMEBUFFER;
rLCDCON1=(CLKVAL_TFT_240320<<8)|(MVAL_USED<<7)|(3<<5)|(12<<1)|0;
// TFT LCD panel,12bpp TFT,ENVID=off
rLCDCON2=(VBPD_240320<<24)|(LINEVAL_TFT_240320<<14)|(VFPD_240320<<6)|(VSPW_240320);
rLCDCON3=(HBPD_240320<<19)|(HOZVAL_TFT_240320<<8)|(HFPD_240320);
rLCDCON4=(MVAL<<8)|(HSPW_240320);
rLCDCON5=(1<<11)|(1<<9)|(1<<8); //FRM5:6:5,HSYNC and VSYNC are inverted
rLCDSADDR1=(((U32)frameBuffer16BitTft240320>>22)<<21)|M5D((U32)frameBuffer16BitTft240320>>1);
rLCDSADDR2=M5D( ((U32)frameBuffer16BitTft240320+(SCR_XSIZE_TFT_240320*LCD_YSIZE_TFT_240320*2))>>1 );
rLCDSADDR3=(((SCR_XSIZE_TFT_240320-LCD_XSIZE_TFT_240320)/1)<<11)|(LCD_XSIZE_TFT_240320/1);
rLCDINTMSK|=(3); // MASK LCD Sub Interrupt
rLPCSEL&=(~7); // Disable LPC3600
rTPAL=0; // Disable Temp Palette
break;
case MODE_TFT_1BIT_640480:
frameBuffer1BitTft640480=(U32 (*)[SCR_XSIZE_TFT_640480/32])LCDFRAMEBUFFER;
rLCDCON1=(CLKVAL_TFT_640480<<8)|(MVAL_USED<<7)|(3<<5)|(8<<1)|0;
rLCDCON2=(VBPD_640480<<24)|(LINEVAL_TFT_640480<<14)|(VFPD_640480<<6)|(VSPW_640480);
rLCDCON3=(HBPD_640480<<19)|(HOZVAL_TFT_640480<<8)|(HFPD_640480);
rLCDCON4=(MVAL<<8)|(HSPW_640480);
rLCDCON5=(1<<11)|(1<<9)|(1<<8); //FRM5:6:5,HSYNC and VSYNC are inverted
rLCDSADDR1=(((U32)frameBuffer1BitTft640480>>22)<<21)|M5D((U32)frameBuffer1BitTft640480>>1);
rLCDSADDR2=M5D( ((U32)frameBuffer1BitTft640480+(SCR_XSIZE_TFT_640480*LCD_YSIZE_TFT_640480/8))>>1 );
rLCDSADDR3=(((SCR_XSIZE_TFT_640480-LCD_XSIZE_TFT_640480)/16)<<11)|(LCD_XSIZE_TFT_640480/16);
rLCDINTMSK|=(3); // MASK LCD Sub Interrupt
rLPCSEL&=(~7); // Disable LPC3600
rTPAL=0; // Disable Temp Palette
break;
case MODE_TFT_8BIT_640480:
frameBuffer8BitTft640480=(U32 (*)[SCR_XSIZE_TFT_640480/4])LCDFRAMEBUFFER;
rLCDCON1=(CLKVAL_TFT_640480<<8)|(MVAL_USED<<7)|(3<<5)|(11<<1)|0;
// TFT LCD panel,8bpp TFT,ENVID=off
rLCDCON2=(VBPD_640480<<24)|(LINEVAL_TFT_640480<<14)|(VFPD_640480<<6)|(VSPW_640480);
rLCDCON3=(HBPD_640480<<19)|(HOZVAL_TFT_640480<<8)|(HFPD_640480);
rLCDCON4=(MVAL<<8)|(HSPW_640480);
rLCDCON5=(1<<11)|(1<<9)|(1<<8); //FRM5:6:5,HSYNC and VSYNC are inverted
rLCDSADDR1=(((U32)frameBuffer8BitTft640480>>22)<<21)|M5D((U32)frameBuffer8BitTft640480>>1);
rLCDSADDR2=M5D( ((U32)frameBuffer8BitTft640480+(SCR_XSIZE_TFT_640480*LCD_YSIZE_TFT_640480/1))>>1 );
rLCDSADDR3=(((SCR_XSIZE_TFT_640480-LCD_XSIZE_TFT_640480)/2)<<11)|(LCD_XSIZE_TFT_640480/2);
rLCDINTMSK|=(3); // MASK LCD Sub Interrupt
rLPCSEL&=(~7); // Disable LPC3600
rTPAL=0; // Disable Temp Palette
break;
case MODE_TFT_16BIT_640480:
frameBuffer16BitTft640480=(U32 (*)[SCR_XSIZE_TFT_640480/2])LCDFRAMEBUFFER;
rLCDCON1=(CLKVAL_TFT_640480<<8)|(MVAL_USED<<7)|(3<<5)|(12<<1)|0;
// TFT LCD panel,16bpp TFT,ENVID=off
rLCDCON2=(VBPD_640480<<24)|(LINEVAL_TFT_640480<<14)|(VFPD_640480<<6)|(VSPW_640480);
rLCDCON3=(HBPD_640480<<19)|(HOZVAL_TFT_640480<<8)|(HFPD_640480);
rLCDCON4=(MVAL<<8)|(HSPW_640480);
//rLCDCON5=(1<<11)|(1<<9)|(1<<8); //FRM5:6:5,HSYNC and VSYNC are inverted
rLCDCON5=(0<<11)|(1<<9)|(1<<8); //FRM5:5:5:1,HSYNC and VSYNC are inverted
rLCDSADDR1=(((U32)frameBuffer16BitTft640480>>22)<<21)|M5D((U32)frameBuffer16BitTft640480>>1);
rLCDSADDR2=M5D( ((U32)frameBuffer16BitTft640480+(SCR_XSIZE_TFT_640480*LCD_YSIZE_TFT_640480*2))>>1 );
rLCDSADDR3=(((SCR_XSIZE_TFT_640480-LCD_XSIZE_TFT_640480)/1)<<11)|(LCD_XSIZE_TFT_640480/1);
rLCDINTMSK|=(3); // MASK LCD Sub Interrupt
rLPCSEL&=(~7); // Disable LPC3600
rTPAL=0; // Disable Temp Palette
break;
case MODE_TFT_24BIT_640480:
frameBuffer24BitTft640480=(U32 (*)[SCR_XSIZE_TFT_640480])LCDFRAMEBUFFER;
rLCDCON1=(CLKVAL_TFT_640480<<8)|(MVAL_USED<<7)|(3<<5)|(13<<1)|0;
// TFT LCD panel,24bpp TFT,ENVID=off
rLCDCON2=(VBPD_640480<<24)|(LINEVAL_TFT_640480<<14)|(VFPD_640480<<6)|(VSPW_640480);
rLCDCON3=(HBPD_640480<<19)|(HOZVAL_TFT_640480<<8)|(HFPD_640480);
rLCDCON4=(MVAL<<8)|(HSPW_640480);
rLCDCON5=(1<<12)|(1<<9)|(1<<8); // BPP24:MSB,HSYNC and VSYNC are inverted
rLCDSADDR1=(((U32)frameBuffer24BitTft640480>>22)<<21)|M5D((U32)frameBuffer24BitTft640480>>1);
rLCDSADDR2=M5D( ((U32)frameBuffer24BitTft640480+(SCR_XSIZE_TFT_640480*LCD_YSIZE_TFT_640480*4))>>1 );
rLCDSADDR3=(((SCR_XSIZE_TFT_640480-LCD_XSIZE_TFT_640480)*2)<<11)|(LCD_XSIZE_TFT_640480*2);
rLCDINTMSK|=(3); // MASK LCD Sub Interrupt
rLPCSEL&=(~7); // Disable LPC3600
rTPAL=0; // Disable Temp Palette
break;
case MODE_TFT_1BIT_800600:
frameBuffer1BitTft800600=(U32 (*)[SCR_XSIZE_TFT_800600/32])LCDFRAMEBUFFER;
rLCDCON1=(CLKVAL_TFT_800600<<8)|(MVAL_USED<<7)|(3<<5)|(8<<1)|0;
// TFT LCD panel,1bpp TFT,ENVID=off
rLCDCON2=(VBPD_800600<<24)|(LINEVAL_TFT_800600<<14)|(VFPD_800600<<6)|(VSPW_800600);
rLCDCON3=(HBPD_800600<<19)|(HOZVAL_TFT_800600<<8)|(HFPD_800600);
rLCDCON4=(MVAL<<8)|(HSPW_800600);
rLCDCON5=(1<<9)|(1<<8);
//BPP24BL:x,FRM565:x,INVVCLK:x,INVVLINE:o,INVVFRAME:o,INVVD:x,
//INVVDEN:x,INVPWREN:x,INVLEND:x,PWREN:x,ENLEND:x,BSWP:x,HWSWP:x
rLCDSADDR1=(((U32)frameBuffer1BitTft800600>>22)<<21)|M5D((U32)frameBuffer1BitTft800600>>1);
rLCDSADDR2=M5D( ((U32)frameBuffer1BitTft800600+(SCR_XSIZE_TFT_800600*LCD_YSIZE_TFT_800600/8))>>1 );
rLCDSADDR3=(((SCR_XSIZE_TFT_800600-LCD_XSIZE_TFT_800600)/16)<<11)|(LCD_XSIZE_TFT_800600/16);
rLCDINTMSK|=(3); // MASK LCD Sub Interrupt
rLPCSEL&=(~7); // Disable LPC3600
rTPAL=0; // Disable Temp Palette
break;
case MODE_TFT_8BIT_800600:
frameBuffer8BitTft800600=(U32 (*)[SCR_XSIZE_TFT_800600/4])LCDFRAMEBUFFER;
rLCDCON1=(CLKVAL_TFT_800600<<8)|(MVAL_USED<<7)|(3<<5)|(11<<1)|0;
// TFT LCD panel,8bpp TFT,ENVID=off
rLCDCON2=(VBPD_800600<<24)|(LINEVAL_TFT_800600<<14)|(VFPD_800600<<6)|(VSPW_800600);
rLCDCON3=(HBPD_800600<<19)|(HOZVAL_TFT_800600<<8)|(HFPD_800600);
rLCDCON4=(MVAL<<8)|(HSPW_800600);
rLCDCON5=(1<<9)|(1<<8);
//BPP24BL:x,FRM565:x,INVVCLK:x,INVVLINE:o,INVVFRAME:o,INVVD:x,
//INVVDEN:x,INVPWREN:x,INVLEND:x,PWREN:x,ENLEND:x,BSWP:x,HWSWP:x
rLCDSADDR1=(((U32)frameBuffer8BitTft800600>>22)<<21)|M5D((U32)frameBuffer8BitTft800600>>1);
rLCDSADDR2=M5D( ((U32)frameBuffer8BitTft800600+(SCR_XSIZE_TFT_800600*LCD_YSIZE_TFT_800600/1))>>1 );
rLCDSADDR3=(((SCR_XSIZE_TFT_800600-LCD_XSIZE_TFT_800600)/2)<<11)|(LCD_XSIZE_TFT_800600/2);
rLCDINTMSK|=(3); // MASK LCD Sub Interrupt
rLPCSEL&=(~7); // Disable LPC3600
rTPAL=0; // Disable Temp Palette
break;
case MODE_TFT_16BIT_800600:
frameBuffer16BitTft800600=(U32 (*)[SCR_XSIZE_TFT_800600/2])LCDFRAMEBUFFER;
rLCDCON1=(CLKVAL_TFT_800600<<8)|(MVAL_USED<<7)|(3<<5)|(12<<1)|0;
// TFT LCD panel,16bpp TFT,ENVID=off
rLCDCON2=(VBPD_800600<<24)|(LINEVAL_TFT_800600<<14)|(VFPD_800600<<6)|(VSPW_800600);
rLCDCON3=(HBPD_800600<<19)|(HOZVAL_TFT_800600<<8)|(HFPD_800600);
rLCDCON4=(MVAL<<8)|(HSPW_800600);
rLCDCON5=(1<<11)|(1<<10)|(1<<9)|(1<<8);
//BPP24BL:x,FRM565:o,INVVCLK:x,INVVLINE:o,INVVFRAME:o,INVVD:x,
//INVVDEN:x,INVPWREN:x,INVLEND:x,PWREN:x,ENLEND:x,BSWP:x,HWSWP:x
rLCDSADDR1=(((U32)frameBuffer16BitTft800600>>22)<<21)|M5D((U32)frameBuffer16BitTft800600>>1);
rLCDSADDR2=M5D( ((U32)frameBuffer16BitTft800600+(SCR_XSIZE_TFT_800600*LCD_YSIZE_TFT_800600*2))>>1 );
rLCDSADDR3=(((SCR_XSIZE_TFT_800600-LCD_XSIZE_TFT_800600)/1)<<11)|(LCD_XSIZE_TFT_800600/1);
rLCDINTMSK|=(3); // MASK LCD Sub Interrupt
rLPCSEL&=(~7); // Disable LPC3600
rTPAL=0; // Disable Temp Palette
break;
default:
break;
}
}
/*
*********************************************************
* 函数介绍：本函数是调色板初始化函数。
* 输入参数：无
* 输出参数：无
* 返回值 ：无
*********************************************************
*/
void Lcd_Palette_Init(void)
{
unsigned char cdata, p_red, p_green, p_blue;
U32 *palette;
palette=(U32 *)PALETTE;
*palette++=0; //black
for(cdata=1;cdata<255;cdata++)
{
p_red=(cdata & 0xe0);
p_green=(cdata & 0x1c);
p_blue=(cdata & 0x03);
*palette++=((U32)((p_red<<8)|(p_green<<6)|(p_blue<<3)));
}
*palette=0xffff; //white
}
/*
*********************************************************
* 函数介绍：本函数是LCD video output and the logic enable/disable函数。
* 输入参数：无
* 输出参数：无
* 返回值 ：无
*********************************************************
*/
void Lcd_EnvidOnOff(int onoff)
{
if(onoff==1)
rLCDCON1|=1; // ENVID=ON
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